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" SOM consists of a mixture of plant and animal residues in various stages of decomposition, substances synthesized microbiologically and/or chemically from the breakdown products, and the bodies of live and dead microorganisms and their decomposing remains... "
Advances in Agronomy - Page 4
2000 - 331 pages
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Land Reclamation: An end to dereliction?

M.C.R. Davies - 1991 - 436 pages
...compaction, clay content and, soil organic matter - this is found primarily in the A soil horizon, and consists of a mixture of plant and animal residues in various stages of decomposition, of chemicals synthesized chemically and biologically from their breakdown products, and of microorganisms...
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Mass Spectrometry of Soils

Thomas Boutton - 1996 - 520 pages
...molecular basis [1]. Structural investigations of SOM are complicated by its complex composition including plant and animal residues in various stages of decomposition....synthesized microbiologically and/or chemically from breakdown products. as well as microorganisms and small animals and their decomposing remains [2]....
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Soil Quality and Soil Erosion

Raj Ratta, R. Lal - 1998 - 352 pages
...water use efficiency Composition of Soil Organic Matter Schnitzer and Khan ( 1 972) described SOM as a mixture of plant and animal residues in various...decomposition, substances synthesized microbiologically and/ or chemically from the breakdown of products, and the bodies of live and dead microorganisms and...
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Ecology and Management of Forest Soils

Richard F. Fisher, Dan Binkley - 2000 - 489 pages
...organic matter consists of all of the carbon-containing substances in the soil, except carbonates. It is a mixture of plant and animal residues in various stages of decomposition, the bodies of living and dead microorganisms, and substances synthesized from breakdown products of...
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Natural and Enhanced Remediation Systems

Suthan S. Suthersan - 2001 - 440 pages
...from the weathering of hard rock at the earth's surface, and from soil organic matter (SOM) consisting of a mixture of plant and animal residues in various stages of decomposition and substances synthesized microbiologically.1 In its broadest sense, the term SOM encompasses all...
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Turmeric: The genus Curcuma

P. N. Ravindran, K. Nirmal Babu, Kandaswamy Sivaraman - 2007 - 504 pages
...organic matter (SOM) refers to the sum total of all organic carbon-containing substances in the soil. It consists of a mixture of plant and animal residues...dead microorganisms and their decomposing remains. SOM represents a key indicator for soil quality, both for agricultural and for environmental functions....
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Carbon and Nitrogen in the Terrestrial Environment

R. Nieder, D.K. Benbi - 2008 - 430 pages
...organic matter as the sum total of all organic carbon-containing substances in the soil, which comprises of a mixture of plant and animal residues in various...chemically from the breakdown products, and the bodies of living and dead microoragnisms and their decomposing remains. Conceptually organic component of soil...
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